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| 開花期観測× | ETo を用いた灌漑スケジューリング× | |
|---|---|---|
| 分野 | 農学 | 農学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1974 | 1998 |
| 提唱者≠ | Zadoks, Chang, Konzak (cereals); Fehr, Caviness (soybean) | Richard G. Allen, Luis S. Pereira, FAO |
| 種類≠ | Observational and classification pipeline | Water balance pipeline |
| 原典≠ | Zadoks, J. C., Chang, T. T., & Konzak, C. F. (1974). A decimal code for the growth stages of cereals. Weed research, 14(6), 415-421. DOI ↗ | Allen, R. G., Pereira, L. S., Raes, D., Smith, M., & Higgins, R. B. (1998). Crop evapotranspiration: Guidelines for computing crop water requirements. FAO Irrigation and Drainage Paper 56, Rome. link ↗ |
| 別名 | Growth stage assessment, Phenological monitoring, Crop stage scale | ETo-based irrigation, Water balance scheduling, Evapotranspiration scheduling |
| 関連 | 5 | 5 |
| 概要≠ | Phenological Observation is an observational and classification pipeline for systematically recording crop development stages from germination to maturity. Standardized through crop-specific scales (Zadoks for cereals, Fehr for soybean), this method enables precise communication of crop status, timing of management decisions (fungicide application, irrigation), and prediction of harvest readiness. | Irrigation Scheduling with ETo is a water balance pipeline for determining when and how much to irrigate based on reference evapotranspiration (ETo), soil properties, and crop water demand. Standardized by the FAO in the Penman-Monteith equation and widely adopted globally, this method enables efficient water use in irrigated agriculture. |
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